旧: new, former, worn (with age)...
光盘: compact disc, CD or DVD, CD ROM...
屡次: repeatedly, time and again...
摩擦: friction, rubbing, chafing, disharmony, conflict, also written...
年代: a decade of a century (e.g. the Sixties), age, era, period...
敬请: please (do sth) (deferential form)...
思想: thought, thinking, idea, ideology...
节衣缩食: to save on food and clothing (idiom); to live frugally...
乡下: countryside, rural area...
万: ten thousand, a great number...
